X1439

X307-BETH CONJUGATE OF X307

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 4, 7 }: Central Line L(4, 7) { 6, 57 }: Central Line L(6, 57) { 1, 64 }: Central Line L(1, 64) { 3, 77 }: Central Line L(3, 77) { 72, 307 }: Central Line L(72, 307) { 86, 658 }: Central Line L(86, 658) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_307 = ISOTOMIC CONJUGATE OF X(29) (0.4659, 0.0959) X_4 = ORTHOCENTER (0.6122, 0.3958) X_7 = GERGONNE POINT (0.5903, 0.2769) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_1 = INCENTER (0.5714, 0.2333) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_77 = ISOGONAL CONJUGATE OF X(33) (0.5270, 0.1305) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_658 = TRILINEAR POLE OF LINE X(1)X(7) (0.3795, 0.5837) X_1439 = -BETH CONJUGATE OF X(307) (0.5720, 0.1779) A B C X307 X4 X7 X6 X57 X1 X64 X3 X77 X72 X86 X658 X1439 (a, b, c) = (5, 6, 7) | AB = 1

X1439 (X307-BETH CONJUGATE OF X307) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1439 = X_307-BETH CONJUGATE OF X_307."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            construct_baseline_triangle,
            create_model,
            crosspoint,
            eval_trilinear_point,
            gergonne_point_of,
            incenter_of,
            orthocenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01439(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1439 = X_307-BETH CONJUGATE OF X_307 on reference triangle ABC."""
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center"])
            X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center"])
            X_1439 = crosspoint(model, A, B, C, X_7, X_77, ID="X_1439", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            central_line(model, X_4, X_7, 4, 7, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            central_line(model, X_6, X_57, 6, 57, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center", "incident"])
            central_line(model, X_1, X_64, 1, 64, incident=True)
            return promote_point_to_top(model, X_1439)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_1439 on the given reference triangle."""
            model = create_model('X_1439 = X_307-BETH CONJUGATE OF X_307')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01439(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-01439.json"))
            write_center_svg(
                model_acute,
                here / "x-01439.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )